fish juvenile News
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Tighter controls rejected on Pacific tuna fishing
Pacific island nations and conservation groups have failed to persuade the body that oversees tuna fishing in the Pacific to introduce more stringent measures to protect tuna supply. Negotiations broke down at a meeting in Guam last month (March 26-30) of the Western and Central Pacific Fisheries Commission (WCPFC), as Pacific island nations – backed by Australia – failed to reach ...
By SciDev.Net
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Akvatek Hatchery, Grow Out Facility, Ras Design & Operation Systems
HATCHERY PROJECT SCOPE Installation of RAS equipment for a fish farm & hatchery facility. Akvatek is a fish hatchery that produces fish fry of diverse types such as Sea Bream, Sea Bass, Meager, Dentex-Mus, Umbra and Ocellaris Clownfish. MAT RAS was chosen by Akvatek to carry out the execution of this project. The RAS equipment was installed in their facilities located in the coastal town ...
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Kielder becomes ark site for threatened arctic char
A refuge has been established to preserve an endangered species of arctic char fish. The Environment Agency in partnership with Northumbrian Water is stocking 10,000 juvenile fish into the giant Kielder Water, the largest man-made reservoir in Northern Europe. 48 adult char have already been released into the reservoir in April this year. Threatened species Stocks of a rare strain of arctic ...
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Fish nurseries need more than mangroves, says study
Conserving mangroves alone may not be enough to protect local fisheries in the Caribbean, according to a study. Research in the Caribbean and Mexico had previously shown that the mangrove swamps act as vital nurseries for many tropical fish species. Now, a study conducted in Honduras reveals that seagrass beds and coral reefs also need to be conserved to boost fish populations and protect ...
By SciDev.Net
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Hormones in wastewater disrupt fish reproduction over generations
Synthetic oestrogens in wastewater from contraceptive pills can have effects on fish reproduction and survival that worsen over several generations, new research has found. The study suggests that some fish populations may not be able to recover from levels of oestrogen pollution found in many freshwater environments. Freshwater ecosystems are increasingly under threat from both climate change ...
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Finding the Optimal Feeding Times for Your Aqua Farm
You probably already know that fish diets require specific nutrients, in specific forms, for their bodies to properly digest and utilize. But have you thought about or decided what time of day you are going to feed your fish? Or how many times a day? If you have a large farm with many ponds spread across long distances, how are you going to make sure all your fish get fed the right amount of ...
By Aquasend
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‘Genebank can save South Asian fish stocks’
As South Asian fish stocks rapidly dwindle through overfishing, experts have suggested the setting up of a regional genebank as a remedy. Other suggestions that came up at a regional consultative workshop on management and dissemination of improved fish breeds to preserve their diversity in South Asia, held in Islamabad last month (March), were the sharing of databases and technologies. The ...
By SciDev.Net
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Aker BioMarine secures sustainable future for krill in the Antarctic Southern Ocean
The Aker BioMarine’s Antarctic krill fishery has been recertified against the world’s most robust standard for environmentally sustainable fishing. A rigorous, third party assessment has shown that the Antarctic based fishery continues to meet the Marine Stewardship Council’s (MSC) demanding standards. As a result, Aker BioMarine’s krill products, including krill oil, may ...
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Sting operation - jellyfish `blooms` may endanger fish stocks
Surges in jellyfish populations may be one reason for a drop in fish stocks observed in the Mediterranean and Black Sea, according to a new report published by FAO. Overfishing, which removes top predators from the sea, is one of the factors behind jellyfish "blooms", or suddenly increased numbers. A "vicious circle" can then follow in which large numbers of medusae feed on fish larvae and ...
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Mediterranean Fishing Nations Adopt Conservation Measures
ROME, Italy (ENS) - Nations whose fishing fleets work the waters of the Mediterranean Sea have agreed on a series of new measures aimed at conserving the region's dwindling fish populations. The delegates also adopted new, stricter rules for tuna fishing in the face of warnings that illegal, unreported and unregulated fishing is wiping out the world's tunas. The measures were adopted during the ...
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Sustainable Farming of Pacific Bluefin Tuna
Pacific Bluefin Tuna has been listed as overfished since 2013 but in 2017 NOAA Fisheries released that there was no longer a risk of extinction. Since then, measures have been taken to increase Pacific Bluefin Tuna stock by cracking down on illegal fishing practices and implementing more sustainable aqua farming practices. Traditional Farming Practices In the past, farming of Pacific Bluefin ...
By Aquasend
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Surrogate sushi: Japan biotech for bluefin tuna
Of all the overfished fish in the seas, luscious, fatty bluefin tuna are among the most threatened. Marine scientist Goro Yamazaki, who is known in this seaside community as "Young Mr. Fish," is working to ensure the species survives. Yamazaki is fine-tuning a technology to use mackerel surrogates to spawn the bluefin, a process he hopes will enable fisheries to raise the huge, torpedo-shaped ...
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Totoaba, Pacific Red Snapper Processing Plant Achieves BAP Certification
Congratulations to Mexico’s Earth Ocean Farms for becoming the world’s first Best Aquaculture Practices (BAP)-certified processing plant to process totoaba (Totoaba macdonaldi), a large member of the drum family that is endemic to the Gulf of California. Located in La Paz, Mexico, the processing plant also handles Pacific red snapper (Lutjanus peru). The totoaba and red snapper are ...
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